如图电路中，当可变电阻R的阻值增大时，下列说法正确的是（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15664' and id < 1312071 and id<>'1312071' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15664' and id > 1312071 and id<>'1312071' order by id asc limit 5